n0nc3

    # add group atomblind
    sudo groupadd atomblind

    # add your username to atomblind group
    sudo usermod -a -G atomblind <username>

    # do not allow outbound traffic from group atomblind
    sudo iptables -I OUTPUT -m owner --gid-owner atomblind -j DROP

    # overwrite atom binary with a hook
    # atom_binary is absolute path to your atom binary
    echo "#!/bin/bash" > atom_hook
    echo "sg atomblind -c 'atom_binary'" >> atom_hook
    chmod +x atom_hook
    ./atom_hook